mini-chat/cmd/server.go

/*
Copyright © 2024 Raul <raul@bulgariu.xyz>
*/

package cmd

import (
	"github.com/spf13/cobra"
	"log"
)

var serverCmd = &cobra.Command{
	Use:   "server",
	Short: "Tiny chat server",
	Long: `Refactored mini-chat server designed to be connected to
using a proper interface this time, not using netcat.

Example:
 ./mini-chat server --port 1337`,
	Run: func(cmd *cobra.Command, args []string) {

		if err := setServerParameters(cmd); err != nil {
			log.Fatalf("Error happened trying to set parameters: %v\n", err)
		}

		Server()
	},
}

func init() {
	rootCmd.AddCommand(serverCmd)
	serverCmd.PersistentFlags().StringP("port", "p", "1302", "port to use for listening")
	serverCmd.PersistentFlags().StringP("history", "r", "", "File to store and recover chat history from")
	serverCmd.PersistentFlags().String("password", "", "Password for accessing the chat server")
}

func setServerParameters(cmd *cobra.Command) error {
	parameterPort, err := cmd.Flags().GetString("port")
	if err != nil {
		return err
	}
	if parameterPort != "" {
		listenPort = parameterPort
	}
	parameterHistory, err := cmd.Flags().GetString("history")
	if err != nil {
		return err
	}
	if parameterHistory != "" {
		logLocation = parameterHistory
		isLogging = true
	}
	parPassword, err := cmd.Flags().GetString("password")
	if err != nil {
		return err
	}
	if parPassword != "" {
		password = parPassword
	}
	return nil
}